UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 24 APR 25 Station: CYBK WMO ident: 71926 Latitude: 64.32 Longitude: -96.00 Elevation: 51.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1016 51 -14.9 -17.5 81 2.6 -15.4 335 18 257.1 257.2 256.8 259.6 0.95 1 1001 163 -15.5 -19.7 70 4.2 -16.2 335 25 257.6 257.7 256.9 259.7 0.80 2 1000 171 -15.5 -20.4 66 4.9 -16.3 335 25 257.6 257.8 256.9 259.7 0.75 3 972 386 -14.1 -25.1 39 11.0 -15.7 326 23 261.2 261.2 259.2 262.6 0.51 4 951 551 -14.3 -25.3 39 11.0 -15.9 318 20 262.6 262.7 260.3 264.1 0.51 5 925 761 -15.7 -23.7 50 8.0 -16.9 295 16 263.3 263.4 261.0 265.0 0.61 6 859 1316 -19.3 -20.4 91 1.1 -19.5 269 16 265.1 265.3 262.9 267.6 0.88 7 850 1395 -18.9 -19.9 92 1.0 -19.1 265 16 266.3 266.5 263.9 268.9 0.93 8 827 1599 -19.9 -19.9 100 0.0 -19.9 251 16 267.4 267.5 264.7 270.1 0.95 9 795 1891 -21.3 -21.4 99 0.1 -21.3 237 18 268.9 269.1 265.6 271.4 0.87 10 787 1965 -20.3 -21.0 94 0.7 -20.4 239 20 270.8 270.9 267.0 273.4 0.91 11 752 2302 -21.3 -25.4 69 4.1 -21.9 245 24 273.2 273.3 268.1 275.1 0.64 12 735 2470 -21.9 -23.8 85 1.9 -22.2 245 24 274.4 274.5 269.0 276.6 0.76 13 731 2510 -22.1 -28.1 58 6.0 -22.9 246 24 274.6 274.7 268.7 276.1 0.52 14 723 2591 -22.5 -29.5 53 7.0 -23.4 247 25 275.0 275.1 268.9 276.4 0.46 15 709 2734 -22.7 -34.7 33 12.0 -23.9 250 26 276.3 276.4 269.4 277.2 0.28 16 700 2828 -22.9 -33.9 36 11.0 -24.1 250 27 277.1 277.2 269.9 278.1 0.31 17 674 3105 -23.1 -39.1 22 16.0 -24.6 248 30 279.9 280.0 271.5 280.5 0.19 18 660 3258 -23.5 -39.5 22 16.0 -25.0 247 31 281.2 281.2 272.2 281.8 0.19 19 629 3607 -25.9 -44.9 15 19.0 -27.3 245 34 282.3 282.3 272.7 282.7 0.11 20 614 3781 -26.7 -44.7 17 18.0 -28.0 244 36 283.3 283.4 273.3 283.7 0.12 21 608 3852 -26.7 -37.7 35 11.0 -27.7 244 37 284.1 284.2 274.0 284.9 0.24 22 595 4007 -27.7 -36.7 42 9.0 -28.6 242 38 284.7 284.8 274.3 285.6 0.28 23 581 4178 -28.5 -43.5 22 15.0 -29.6 241 40 285.8 285.8 274.7 286.2 0.14 24 574 4265 -28.9 -39.9 34 11.0 -29.8 240 41 286.3 286.3 275.0 287.0 0.21 25 550 4568 -30.5 -42.5 30 12.0 -31.4 242 43 287.9 287.9 275.9 288.4 0.16 26 542 4672 -30.5 -50.5 12 20.0 -31.6 243 44 289.1 289.1 276.3 289.3 0.07 27 540 4699 -30.5 -48.5 16 18.0 -31.6 243 44 289.4 289.4 276.5 289.7 0.09 28 525 4898 -32.1 -41.1 40 9.0 -32.8 245 46 289.8 289.9 276.9 290.5 0.20 29 500 5240 -34.3 -43.3 40 9.0 -34.9 245 46 291.2 291.2 277.6 291.8 0.17 30 492 5352 -35.3 -43.3 44 8.0 -35.8 244 47 291.3 291.4 277.6 291.9 0.17 31 470 5669 -37.5 -45.5 43 8.0 -37.9 243 48 292.4 292.5 278.1 292.9 0.14 32 460 5818 -37.9 -54.9 15 17.0 -38.5 242 49 293.8 293.8 278.6 293.9 0.05 33 441 6107 -39.1 -57.1 13 18.0 -39.7 240 51 295.8 295.8 279.5 295.9 0.04 34 400 6770 -42.9 -53.9 29 11.0 -43.3 235 47 299.2 299.2 281.1 299.5 0.06 35 360 7471 -48.5 -53.5 56 5.0 -48.6 239 49 300.9 300.9 281.8 301.2 0.07 36 347 7712 -50.1 -56.1 49 6.0 -50.3 241 48 301.9 301.9 282.2 302.1 0.06 37 329 8059 -51.3 -58.3 43 7.0 -51.4 244 42 304.9 304.9 283.4 305.1 0.04 38 325 8138 -51.7 -60.7 33 9.0 -51.9 245 41 305.4 305.4 283.6 305.5 0.03 39 318 8279 -50.5 -66.5 13 16.0 -50.8 248 43 309.0 309.0 284.9 309.0 0.02 40 308 8488 -49.7 -66.7 12 17.0 -50.0 241 44 312.9 312.9 286.4 313.0 0.02 41 300 8660 -49.5 -69.5 8 20.0 -49.8 235 44 315.6 315.6 287.3 315.6 0.01 42 298 8704 -49.3 -69.3 8 20.0 -49.6 234 44 316.5 316.5 287.6 316.5 0.01 43 281 9088 -50.1 -72.1 6 22.0 -50.4 234 34 320.7 320.7 288.9 320.7 0.01 44 272 9303 -46.5 -74.5 3 28.0 -47.0 235 31 328.9 328.9 291.4 328.9 0.01 45 258 9652 -48.5 -74.5 3 26.0 -49.0 245 29 331.0 331.0 292.0 331.0 0.01 46 250 9860 -46.7 -75.7 2 29.0 -47.3 255 27 336.6 336.6 293.5 336.7 0.01 47 242 10077 -44.7 -76.7 2 32.0 -45.4 255 26 342.8 342.8 295.0 342.8 0.00 48 231 10387 -45.7 -77.7 2 32.0 -46.4 227 24 345.9 345.9 295.7 345.9 0.00 49 219 10743 -44.7 -77.7 1 33.0 -45.5 252 24 352.7 352.7 297.2 352.7 0.00 TRP 325 8138 -51.7 -60.7 33 9.0 -51.9 245 41 305.4 305.4 283.6 305.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5069.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 50.36 % Est. max temperature: -7.02 C = 19.36 F Sfc-Lift cond lev (LCL): 973.96 mb = 370.61 m = 1215.89 ft T: -14.20 C 700-500 lapse rate: 4.73 C/km ThetaE index: 0.47 C Layer 731.0- 723.0 mb Conv cond level (CCL): 579.69 mb = 4194.06 m = 13759.88 ft Mean mixing ratio: 0.62 g/kg Conv temperature: 14.00 C = 57.21 F Cap Strength: 22.72 C Lifted Index: 23.51 C Risk: None Lifted Index @300 mb: 37.49 C Lifted Index @700 mb: 13.70 C Showalter Index: 18.41 C Risk: None Total Totals Index: 29.80 C Risk: None Vertical Totals Index: 15.40 C Cross Totals Index: 14.40 C K Index: -15.50 Risk: None Sweat Index: 78.00 Risk: None Energy Index: 4.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.78 J/kg Max Up Vert Vel: 7.59 m/s Conv Inhibition (B-): 10505.11 J/kg Cap Strength: 23.30 C Lift Cond Lev (LCL): 845.52 mb = 1434.30 m = 4705.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 281 at 24 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1016 51 335 18 7.6 -16.3 | 52 20 -15.6 -12.0 1 1000 171 335 25 10.6 -22.7 | 35 22 -12.7 -18.3 2 982 305 330 24 12.0 -20.8 | 34 20 -11.2 -16.5 3 944 610 315 19 13.4 -13.4 | 47 13 -9.8 -9.1 4 925 761 295 16 14.5 -6.8 | 74 9 -8.7 -2.4 5 906 914 285 16 15.5 -4.1 | 91 8 -7.8 0.2 6 870 1219 275 16 15.9 -1.4 | 112 8 -7.3 2.9 7 850 1395 265 16 15.9 1.4 | 128 9 -7.3 5.7 8 801 1829 235 17 13.9 9.8 | 147 17 -9.3 14.1 9 769 2134 245 24 21.8 10.1 | 174 15 -1.5 14.5 10 738 2438 245 24 21.8 10.1 | 174 15 -1.5 14.5 11 708 2743 250 26 24.4 8.9 | 185 13 1.2 13.2 12 700 2828 250 27 25.4 9.2 | 189 14 2.2 13.6 13 624 3658 245 35 31.7 14.8 | 204 21 8.5 19.1 14 573 4267 240 41 35.5 20.5 | 206 28 12.3 24.8 15 526 4877 245 46 41.7 19.4 | 218 30 18.5 23.8 16 500 5240 245 46 41.7 19.4 | 218 30 18.5 23.8 17 441 6096 240 51 44.2 25.5 | 215 36 21.0 29.8 18 404 6706 235 48 39.3 27.5 | 207 36 16.1 31.9 19 400 6770 235 47 38.5 27.0 | 206 35 15.3 31.3 20 352 7620 240 49 42.4 24.5 | 214 35 19.2 28.8 21 325 8138 245 41 37.2 17.3 | 213 26 13.9 21.7 22 320 8230 250 43 40.4 14.7 | 222 26 17.2 19.0 23 300 8660 235 44 36.0 25.2 | 203 32 12.8 29.6 24 292 8839 230 46 35.2 29.6 | 200 36 12.0 33.9 25 279 9144 235 31 25.4 17.8 | 186 22 2.2 22.1 26 266 9449 235 31 25.4 17.8 | 186 22 2.2 22.1 27 250 9860 255 27 26.1 7.0 | 194 12 2.9 11.3 28 241 10058 255 26 25.1 6.7 | 190 11 1.9 11.1 29 229 10363 220 23 14.8 17.6 | 159 24 -8.4 22.0 30 217 10668 260 24 23.6 4.2 | 183 9 0.4 8.5 31 205 10973 255 15 14.5 3.9 | 133 12 -8.7 8.2 Wind Parameters Mean winds (0-6000m): 250.6 at 31.5 knts Storm direction: 280.6 at 23.6 knts Shear (0-3000m) pos: 1.3 neg: 5.0 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 142.3 deg Storm rel helicity (0-3000m) pos: 105.5 neg: -35.8 tot: 69.7 m^2/s^2 ave: 23.2 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 4.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.18 Bulk Shear: 161.60 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 329 23 38 19| 0.0 6.1 6.1| 11.2 -35.8 -24.5 -49.1 -0.28| 14.7 -4.1 1000 316 20 44 14| 0.0 8.1 8.1| 36.4 -35.8 0.7 0.7 0.21| 13.6 2.9 1500 302 18 54 9| 0.0 7.6 7.6| 50.4 -35.8 14.6 9.7 0.34| 11.6 4.0 2000 287 18 79 6| 0.0 7.5 7.5| 78.6 -35.8 42.8 21.4 0.42| 11.5 4.8 2500 275 19 123 5| 0.7 6.0 6.7| 90.5 -35.8 54.8 21.9 0.45| 9.9 4.5 3000 269 21 152 5| 1.3 5.0 6.3|105.5 -35.8 69.7 23.2 0.49| 9.1 4.4 4000 259 24 183 9| 1.0 5.1 6.0|123.7 -35.8 87.9 22.0 0.46| 8.2 3.8 5000 254 28 197 13| 1.6 4.0 5.6|169.3 -35.8 133.5 26.7 0.49| 7.4 3.6 6000 251 31 204 16| 1.3 3.9 5.2|169.3 -49.1 120.2 20.0 0.43| 6.7 2.9 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250424.12.gif